The Effect of Whole Body Vibration on Lower Body Resistance Detraining PDF Download
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Author: Keston G. Lindsay
Publisher:
ISBN: 9781321196801
Category : Physical education
Languages : en
Pages : 119
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Book Description
This study explored the effect of whole body vibration (WBV) with magnitudes between 2.56 g and 7.68 g on detraining of the 5-repetition maximum (5RM) squat, extensors and flexors of the knee and the flexors and extensors of the ankle. All participants were trained using a lower body resistance lifting program. Exercises performed included the squat, hang cleans, knee extensions, hamstring curls, toe presses and dorsiflexion exercises. All participants were trained one to three times per week for 6 weeks. At the end of the program (Week 6), they were randomized onto either a control group which performed no further training or a WBV group which performed a progressive static WBV program.
Author: Keston G. Lindsay
Publisher:
ISBN: 9781321196801
Category : Physical education
Languages : en
Pages : 119
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Book Description
This study explored the effect of whole body vibration (WBV) with magnitudes between 2.56 g and 7.68 g on detraining of the 5-repetition maximum (5RM) squat, extensors and flexors of the knee and the flexors and extensors of the ankle. All participants were trained using a lower body resistance lifting program. Exercises performed included the squat, hang cleans, knee extensions, hamstring curls, toe presses and dorsiflexion exercises. All participants were trained one to three times per week for 6 weeks. At the end of the program (Week 6), they were randomized onto either a control group which performed no further training or a WBV group which performed a progressive static WBV program.
Author: Nathan Dodge
Publisher:
ISBN:
Category : Equilibrium (Physiology)
Languages : en
Pages : 128
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Book Description
Whole body vibration (WBV) is widely used as a mechanical stimulus for neuromuscular training, and to a lesser extent, in the treatment of patients undergoing physical rehabilitation. PURPOSE: To quantify any beneficial and/or synergistic effects associated with the longitudinal administration of WBV and progressive resistance (PRE) exercise on lower extremity strength development and postural stability. METHODS: We recruited 30 physically-active men (age, 22.2±3.2 yrs; hgt, 178.9±6.1 cm; mass, 75.8±7.2 kg) who had not participated in resistance training activities during the past 3 months and had no history of lower extremity injury. Participants were randomly assigned to one of three groups: WBV = PRE squat exercises with WBV (n=10); NO WBV = PRE squat exercises without WBV (n=10), or CONTROL (n=10). For those in the WBV and NO WBV groups, the experimental treatment consisted of 24 sessions of progressively-loaded squat exercises (3 sessions per week x 8 weeks) using weighted vests. A computerized posturography device was used to administer the modified Clinical Test of Sensory Interaction on Balance (mCTSIB) that quantified sway velocity. An isokinetic dynamometer was used to obtain concentric and eccentric peak torque values at 60°/sec, 120°/sec and 180°/sec during a unilateral, closed kinetic chain (CKC) leg press. All groups were tested at entry (Week 0), midpoint (Week 4), and upon conclusion of the study (Week 8). RESULTS: The mCTSIB scores (foam box/eyes open condition) were significantly better in the WBV group compared to CONTROL when measured at Week 4 (WBV = 0.46±0.01°/sec, CONTROL = 0.56±0.01°/sec; p=0.004) and at Week 8 (WBV = 0.49±0.01°/sec, CONTROL = 0.55±0.12°/sec; p=0.036). For the right limb, concentric leg press peak torques (normalized to Nm/kg body mass) increased at 60o/sec from 0.84±0.43 Nm/kg at Week 0 to 1.10±0.47 Nm/kg at Week 8 (p=0.03), and at 180°/sec from 0.82±0.37 Nm/kg at Week 0 to 1.03±0.36 Nm/kg at Week 8 (p=0.018). There were no significant Group differences observed for any of the CKC leg press measures (p> 0.05). CONCLUSION: While the 8-week training protocol was shown to be an effective means of improving both postural stability and isokinetic leg press strength, long-term exposure to WBV did not enhance lower extremity strength acquisition among the participants.
Author: Barry M. Parker
Publisher:
ISBN:
Category : Leg
Languages : en
Pages : 216
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Book Description
Abstract: The purpose of the investigation was to examine the effects of Whole Body Vibration (WBV) on lower body strength and power as measured through estimated 1-RM back squat, standing long jump, and vertical counter-movement jump. Female (N = 9) collegiate Division III varsity softball players completed the training and testing protocol. Each subject completed 3 weeks of WBV training and 3 weeks of conventional strength training. All subjects were pretested to gather baseline values. Subjects were tested at week 4 and week 8 to measure percent change of testing values. Three 2 X 2 mixed factorial ANOVAs were computed for percent change in lower body strength and power. No significant difference (p > .05) was found between groups in percent change for standing long jump, vertical counter-movement jump, and estimated 1-RM back squat. No significant differences (p > .05) were found between groups and testing period in percent change for estimated 1-RM back squat, standing long jump, and vertical counter-movement jump.
Author: Lyndsay Foisey
Publisher:
ISBN:
Category :
Languages : en
Pages : 174
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Author: Suzanne Serresse
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Ryan Darin Magoffin
Publisher:
ISBN:
Category :
Languages : en
Pages : 33
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Book Description
Current scientific evidence suggests that when whole body vibration (WBV) is used as a warm-up prior to performing eccentric exercise, delayed-onset muscle soreness (DOMS) is mitigated and strength loss recovers faster. These benefits were observed primarily in nonresistance-trained individuals. The aim of this study was to determine if WBV could mitigate soreness and expedite strength recovery for resistance-trained individuals when used as a warm-up prior to eccentric exercise. Thirty resistance-trained males completed 300 maximal eccentric contractions of the quadriceps after warming up with (WBV) or without (CON) WBV. Both CON and WBV experienced significant isometric (27.8% and 30.5%, respectively) and dynamic (52.2% and 47.1%, respectively) strength loss immediately postexercise. Isometric strength was significantly depressed after 24 hours in the CON group (9.36% p
Author: Lauren Tapp
Publisher:
ISBN:
Category : Kinesiology
Languages : en
Pages :
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Book Description
Ph. D.
Author: Benjamin Hinton
Publisher:
ISBN:
Category : Isometric exercise
Languages : en
Pages : 114
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Author: Chantelle C. Lachance
Publisher:
ISBN: 9780494843789
Category :
Languages : en
Pages :
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Author: Svetlana Nepocatych
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages : 104
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Book Description
High-intensity intermittent or resistance activity for a short period of time causes an increased break down of energy stores and accumulation of metabolic by-products. Increased metabolic disturbances may lead to decreased muscle contractile function which eventually will lead to muscle fatigue. Sufficient recovery time is needed for optimal competitive performance and optimizing the ability to tolerate high-intensity, various lengths and duration training loads. There are a number of recovery modalities available that have been used between training sessions, pre- and post- training, and between competitions. In order to evaluate vibration as a recovery aid that contributes to improved performance, three studies were conducted. The first study evaluated the effects of whole-body vibration (WBV) and WBV plus cooling on lower-body peak and mean anaerobic performance, leg volume, perceived recovery, and muscle soreness. The second study evaluated the effects of WBV and upper-body vibration (UBV) on upper-body performance, perceived recovery and muscle soreness, and the third study evaluated the effect of WBV on sprint performance, leg volume and perceived recovery. Healthy and physically active male and female volunteers participated in the studies. In a repeated measures, counterbalanced design, participants completed fatiguing exercise, each recovery treatment and performance test. As indicated by the group mean data, results of the first study suggested possible psychological but not performance enhancing benefits after the use of WBV and WBVC as a recovery method. The findings of the second study suggest no psychological or physiological benefits using WBV and UBV as a recovery modality. The results of the third study suggest no benefits for WBV in enhancing recovery or sprint performance. However, while actual recovery was not enhanced, perceived recovery was better after WBV compared to no vibration. Even though actual recovery or performance was not enhanced by the addition of WBV to the recovery, psychological perception of better recovery may be of some benefit for training or competition. It appears that acute exposure to WBV does not enhance performance under the conditions of this study.
